ZL1 stocker

Alan Roehrich · 02-03-2009, 05:03 PM

Actually, most have found that when comparing blocks as close to identical as possible except material, the aluminum block moves enough to make the HP difference. Given that aluminum is much less dimensionally stable over temperature variations, several things arise due to things not staying where you want them as the block moves around.

When it comes to heads, identical heads being a given, other than material, then the heat retention theory does indeed hold. If the heads are as dimensionally identical as possible, the iron heads will make more power.

02-03-2009, 05:03 PM	#6
Alan Roehrich Veteran Member Join Date: May 2006 Location: Murfreesboro TN Posts: 5,090 Likes: 1,534 Liked 1,758 Times in 398 Posts	Re: ZL1 stocker Actually, most have found that when comparing blocks as close to identical as possible except material, the aluminum block moves enough to make the HP difference. Given that aluminum is much less dimensionally stable over temperature variations, several things arise due to things not staying where you want them as the block moves around. When it comes to heads, identical heads being a given, other than material, then the heat retention theory does indeed hold. If the heads are as dimensionally identical as possible, the iron heads will make more power. __________________ Alan Roehrich 212A G/S

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